87409412 has 6 divisors (see below), whose sum is σ = 152966478. Its totient is φ = 43704704.

The previous prime is 87409403. The next prime is 87409423. The reversal of 87409412 is 21490478.

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 37650496 = 7054^2 + 6136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10926173 + ... + 10926180.

It is an arithmetic number, because the mean of its divisors is an integer number (25494413).

Almost surely, 2^87409412 is an apocalyptic number.

It is an amenable number.

87409412 is a deficient number, since it is larger than the sum of its proper divisors (65557066).

87409412 is a wasteful number, since it uses less digits than its factorization.

87409412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21852357 (or 21852355 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 87409412 is about 9349.3000807547. The cubic root of 87409412 is about 443.7987414027.

The spelling of 87409412 in words is "eighty-seven million, four hundred nine thousand, four hundred twelve".